Sun tracking and planning, with a time slider in the Duo's side controls
Does Sunlitt: Sun Tracker & Seeker work on iPhone Duo?
Yes, the developer says so: version 4.11.3 (released October 17, 2026) says Sunlitt now supports iPhone Duo, with the interface adapting to its folded states and poses.
- App Store confirmedThe developer, in the App Store release notes for version 4.11.3 (released October 17, 2026): Sunlitt now supports iPhone Duo, with the interface adapting to its folded states and poses and the time slider built into the vertical bar. Widgets, Live Activities and StandBy are still being refined.
Adapted for the fold
We're waiting on details of exactly what Sunlitt: Sun Tracker & Seeker changes for the fold. Are you the developer? Tell us.
About Sunlitt: Sun Tracker & Seeker
Sunlitt helps you plan around where the sun will be. Version 4.11.3 adds iPhone Duo support, the release notes say, with the interface adapting to its folded states and poses and the time slider built into the vertical bar. Widgets, Live Activities and StandBy are still being refined.
Evidence reviews
What we checked, when, and what the evidence establishes. Each record preserves the support label at that check.
· App Store page reviewed
App Store confirmed · iphone-duo
The App Store release notes for version 4.11.3 (released October 17, 2026) mention iPhone Duo: "Sunlitt now supports iPhone Duo!"
App version: 4.11.3.
Store text only: we haven't seen the app running, and the store page doesn't show how each pose is used.
View reviewed evidence ↗
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Every iPhone app opens on iPhone Duo, but only updated ones fill the inner display. What an app looks like before its developer adapts it, how to tell which are ready, and which popular apps have said so.
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Sources: Sunlitt on the App Store (apps.apple.com) · Sunlitt in Apple's App Store records (itunes.apple.com)
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